Tag Archives: GRE

VyOS/Vyatta GRE Encrypted Tunnels

Setting up an Encrypted GRE Tunnel between 2 sites. Set up the IPSEC stuff first. edit vpn ipsec site-to-site peer set authentication mode pre-shared-secret set authentication pre-shared-secret dflkgajdksdlgkltijwlelsdngslk set connection-type initiate set ike-group IKE-GRE set local-address set tunnel 0 allow-nat-networks … Continue reading

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Ubuntu 12.04 Server: GRE Tunneling

Here is an easy way to make use of IPv4 GRE tunnels in Ubuntu, or any other Debian based distro. You will need to edit /etc/network/interfaces. Here is a template with the information you will need to add: auto tun1 iface … Continue reading

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GRE between Vyatta Core & pfSense

Below i show the config for Vyatta Core and pfSense configuration details, in order to create a GRE Tunnel between two sites. Vyatta Core Configuration: vyatta@vyatta1-site1:~$ show configuration interfaces { ethernet eth0 { address 192.168.1.1/24 duplex auto hw-id 00:0c:29:00:a3:d7 smp_affinity … Continue reading

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